OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $142.00 Put

NOW261218P00142000

Latest saved OI442Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $142.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4422210 2026-10-02: 366 OI2026-10-05: 366 OI2026-10-06: 363 OI2026-10-07: 371 OI2026-10-08: 371 OI2026-10-09: 383 OI2026-10-13: 405 OI2026-10-14: 405 OI2026-10-15: 417 OI2026-10-16: 419 OI2026-10-21: 438 OI2026-10-23: 442 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026442+4
Oct 21, 2026Viewing438+19
Oct 16, 2026419+2
Oct 15, 2026417+12
Oct 14, 20264050
Oct 13, 2026405+22
Oct 09, 2026383+12
Oct 08, 20263710
Oct 07, 2026371+8
Oct 06, 2026363-3
Oct 05, 20263660
Oct 02, 2026366No prior observation